@@kokyongfoo6967 actually this are ecologic bricks, so you suppost to get te ground, or earth from your lot... The earth must be free of organic material, and free of rocks. The porcentage vary, but goes more less like this: 40 to 60% sandy ground.....20 to 40% clay ground.....and add 10 to 20% cement, and the watter is very litle... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-CtpvX76-ftg.html Some companies that do sale this machine, do capacitations to teach you how to make the ecologic bricks.
@@kokyongfoo6967 as i said before, the formula is more less.....on this video the guy claimed that the ideal soil is around 70% sandly..... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-GA95z827uKs.html
